Question

Помогите пожалуйста, даю 15 баллов
C→CO²→Na²CO³→CO²→CaCO³

Answer 1

1. C+O₂=CO₂

2. CO₂+2NaOH=Na₂CO₃+H₂O 

3. Na₂CO₃+2HCl=2NaCL+H₂O+CO₂

4. CO₂+Ca(OH)₂=CaCO₃+H₂O

Answer 2

C+O₂=CO₂
CO₂+2NaOH=Na₂CO₃+H₂O Na₂CO₃+2HCl=2NaCL+H₂O+CO₂ CO₂+Ca(OH)₂=CaCO₃+H₂O